Patents by Inventor Fangying Xiao

Fangying Xiao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12041484
    Abstract: Provided in the present invention are user equipment and a method thereof, and a base station and a method thereof. The method in user equipment comprises: receiving, from a base station, a MAC control element (MAC CE) for deactivating a packet data convergence protocol (PDCP) duplication; and deactivating the PDCP duplication based on the received MAC CE.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: July 16, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu
  • Publication number: 20240215096
    Abstract: Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment includes: in the case that the user equipment is in an inactive state and needs to perform small data transmission, triggering a radio resource control (RRC) connection resumption procedure; and in the RRC connection resumption procedure, using, by the user equipment, a predefined default configuration for a data radio bearer (DRB), and restoring configurations in RRC configurations for the DRB other than the default configuration. Therefore, in the case that user equipment is in an inactive state and needs to perform small data transmission, additional signaling overhead can be avoided, and power consumption can be reduced, thereby improving communication efficiency and reliability of a wireless communication system.
    Type: Application
    Filed: March 15, 2021
    Publication date: June 27, 2024
    Inventors: Chongming ZHANG, Renmao LIU, Fangying XIAO
  • Patent number: 12016049
    Abstract: According to the present invention, a method performed by user equipment (UE) is provided, comprising: receiving dynamic uplink grant for a medium access control (MAC) entity; determining, for the received dynamic uplink grant, whether a first configuration condition is satisfied; and if the first configuration condition is satisfied, delivering the uplink dynamic grant to a hybrid automatic repeat request (HARQ) entity.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: June 18, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu, Shohei Yamada
  • Patent number: 12010674
    Abstract: The present disclosure provides a method used in a base station, comprising: sending indication information to user equipment (UE), the indication information indicating a correspondence between multiple logical channels or bearers and multiple scheduling request (SR) configurations, wherein each logical channel or bearer is associated with a subcarrier spacing (SCS) and/or transmission time interval (TTI).
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: June 11, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu, Shohei Yamada
  • Patent number: 11985678
    Abstract: Provided in the present invention are user equipment and a method thereof, and a base station and a method thereof. The method in user equipment comprises: receiving from a base station a radio resource control (RRC) message comprising PDCP duplication configuration information of a bearer; and performing, by means of the user equipment, activation configuration of PDCP duplication on the basis of the PDCP duplication configuration information of the bearer.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 14, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu
  • Patent number: 11963257
    Abstract: Provided in the present invention are user equipment and a method thereof, and a base station and a method thereof. The method in user equipment comprises: receiving a switching MAC CE from a base station; and activating and/or deactivating an RLC entity and/or a logical channel associated with a bearer that supports the PDCP duplication based on the switching MAC CE.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: April 16, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu
  • Publication number: 20240080933
    Abstract: A data transmission method, wherein when small data arrives, user equipment (UE) in a radio resource control inactive state RRC_INACTIVE can establish a communication with a base station without entering an RRC connected state, so as to perform small data transmission (SDT). An RNAU timer for controlling a periodic radio access network (RAN) based notification area update is set for the base station. For the SDT, an SDT timer for SDT small data transmission is set. A small data transmission data radio bearer (DRB) is configured for the user equipment. When an RRC resume procedure is triggered by arrival of data at the DRB, a high layer triggering small data transmission, or the like, the user equipment starts the SDT timer.
    Type: Application
    Filed: January 4, 2022
    Publication date: March 7, 2024
    Inventors: FangYing XIAO, Renmao LIU
  • Patent number: 11805441
    Abstract: Embodiments of the present invention provide a group communication method, system, group server, and group member device. A group server receives notification messages sent by a group member device, aggregates, according to an address of a subscription device, the notification messages destined for the same subscription device, and sends a notification message obtained after aggregation to the subscription device.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 31, 2023
    Assignee: Huawei Cloud Computing Technologies Co., Ltd.
    Inventors: Fangying Xiao, Yongjing Zhang
  • Patent number: 11758422
    Abstract: The present disclosure provides a method used in user equipment (UE). The method comprises: detecting that a radio link control (RLC) entity associated with a packet duplication bearer or packet duplication split bearer has reached a predetermined maximum number of retransmissions; and determining that a radio link associated with the RLC entity is unavailable or fails based on whether a cell associated with the RLC entity is a special cell (SpCell) or whether a cell group associated with the RLC entity includes an SpCell.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: September 12, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu
  • Publication number: 20230262542
    Abstract: Provided in the present disclosure are a handover information reporting method and user equipment. The handover information reporting method includes: successfully executing, by user equipment (UE), a handover from a source base station to a target base station; and transmitting, by the UE, to the target base station a radio resource control (RRC) message including handover report information, the handover report information including an information element for indicating a radio link control (RLC) retransmission status, and the RLC retransmission status being a maximum value of a count value RETX_COUNT of an RLC layer of the UE for recording the number of retransmissions of an RLC service data unit (SDU) or an RLC protocol data unit (PDU).
    Type: Application
    Filed: July 5, 2021
    Publication date: August 17, 2023
    Inventors: Ningjuan CHANG, Fangying XIAO, Renmao LIU
  • Publication number: 20230232341
    Abstract: Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment is a method in which UE, after receiving a command for activating an SCell, triggers a PHR, the method including the following steps: receiving, by UE, an activation command for activating an SCell; when the UE receives the activation command, determining, by the UE, the state of the SCell; and when the UE determines that the SCell is in an activated state before the activation command is received, determining, by the UE, the type of an active BWP of the SCell; and when the UE determines that the type of the active BWP is a non-dormant BWP, triggering, by the UE, a PHR.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 20, 2023
    Inventors: Chongming ZHANG, Renmao LIU, Fangying XIAO
  • Patent number: 11706611
    Abstract: The present disclosure provides a method for reporting multi-connection transmission capability, a method for configuring multi-connection transmission modes, a method for preventing retransmission of data, and corresponding user equipment and a base station which support multi-connection transmission. The method for reporting a multi-connection transmission capability comprises: receiving, from a base station, a UE capability query message, the UE capability query message being used to request the UE to send a wireless access capability of the UE for accessing an access network; generating a UE capability information message in response to the received UE capability query message, the UE capability information message being used to indicate the wireless access capability of the UE for accessing the access network and comprising bearer types and/or transmission manners supported by the UE; and sending to the base station the UE capability information message.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 18, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fangying Xiao, Renmao Liu
  • Publication number: 20230189307
    Abstract: Provided is a method performed by user equipment (UE), including: detecting a synchronization signal/physical broadcast channel block, i.e. an SS/PBCH block; determining, according to the detected SS/PBCH block and from a master information block (MIB), whether a base station transmitting the SS/PBCH block supports reduced capability UE; and if the base station supports reduced capability UE, determining a control resource set and a physical downlink control channel (PDCCH) monitoring occasion of a PDCCH search space set for receiving a reduced capability version of system information block 1, i.e. SIB1.
    Type: Application
    Filed: March 23, 2021
    Publication date: June 15, 2023
    Inventors: Renmao LIU, Chao LUO, Fangying XIAO
  • Publication number: 20230171838
    Abstract: Provided in the present invention are a method performed by user equipment, and user equipment. The method performed by user equipment is a method for deactivating an SCG in a process in which UE configured with dual connectivity or multi-connectivity communicates with an MCG and the SCG. The MCG is a serving cell group controlled by an MN, and the SCG is a serving cell group controlled by an SN.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 1, 2023
    Inventors: Chongming ZHANG, Renmao LIU, Fangying XIAO, Ningjuan CHANG
  • Patent number: 11637785
    Abstract: The present disclosure provides a method executed by user equipment, including: receiving, by a radio link control “RLC” entity, a service data unit “SDU” from an upper layer. The method further includes: generating, by the RLC entity, a protocol data unit “PDU,” the PDU including at least a part of the received SDU, and a sequence number of the PDU being set according to a send state variable. The method further includes: updating, by the RLC entity, the send state variable. Furthermore, the present disclosure further provides corresponding user equipment.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 25, 2023
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Fangying Xiao, Takako Hori
  • Publication number: 20230110070
    Abstract: Provided in the present disclosure are user equipment and a method thereof, and a base station and a method thereof. The method performed by the user equipment includes: receiving a radio resource control (RRC) message from a base station, wherein the RRC message includes information related to an activation configuration of packet data convergence protocol (PDCP) duplication of a radio bearer and/or associated radio link control (RLC) entities; and performing the activation configuration of the PDCP duplication and/or the associated RLC entities on the basis of the information. Thus, the communication efficiency and reliability of a wireless communication system can be improved.
    Type: Application
    Filed: March 15, 2021
    Publication date: April 13, 2023
    Inventors: FangYing XIAO, Renmao LIU, Chao LUO
  • Patent number: 11601311
    Abstract: Provided is a base station, comprising: a configuration unit, configured to configure a transmission waveform of a User Equipment (UE) for uplink transmission; and a transmission unit, configured to transmit information related to the configuration to the UE. The configuration unit is configured by using any of the following modes: physical layer signaling, a Random Access Response (RAR) message of Media Access Control (MAC), and Radio Resource Control (RRC) signaling. The present application also provides a user equipment (UE) and a corresponding method.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: March 7, 2023
    Assignees: SHARP KABUSHIKI KAISHA, Sharp Corporation
    Inventors: Renmao Liu, Fangying Xiao
  • Publication number: 20230058734
    Abstract: The present disclosure provides a method performed by user equipment, and user equipment. The method performed by user equipment includes: if a medium access control (MAC) entity is configured with a configured uplink grant and if the configured uplink grant is activated, then determining whether the MAC entity is configured to use the configured uplink grant to transmit a MAC PDU, namely a MAC protocol data unit, obtained for a de-prioritized configured uplink grant; and if the MAC entity is configured to use the configured uplink grant to transmit the MAC PDU, then delivering the configured uplink grant to a hybrid automatic repeat request (HARQ) entity. In this way, the problem involving transmission of a de-prioritized MAC PDU stored in a HARQ process buffer can be solved, thereby improving the communication efficiency and reliability of a wireless communication system.
    Type: Application
    Filed: January 6, 2021
    Publication date: February 23, 2023
    Inventors: FANGYING XIAO, RENMAO LIU, SHOHEI YAMADA
  • Patent number: 11563524
    Abstract: The present disclosure provides a method executed by user equipment, the method including: submitting, by a transmitting side of an Acknowledged Mode Radio Link Control (AM RLC) entity, to a lower layer an Acknowledged Mode data Service Data Unit (AMD PDU) including a poll. The method further includes: updating, by the RLC entity, a poll send state variable to the highest sequence number of an Acknowledged Mode Radio Link Control Service Data Unit (RLC SDU) submitted and awaiting acknowledgments. Furthermore, the present disclosure further provides corresponding user equipment.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: January 24, 2023
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Fangying Xiao, Renmao Liu
  • Patent number: 11558870
    Abstract: The present disclosure provides a method for processing carrier activation at user equipment (UE) and a corresponding device. The method implemented at the user equipment comprises: acquiring an indication related to deactivation of a currently activated carrier, wherein the carrier is a carrier in a carrier group consisting of a plurality of carriers; and if a random access procedure is ongoing, then ignoring the indication.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: January 17, 2023
    Assignees: SHARP KABUSHIKI KAISHA, FG INNOVATION COMPANY LIMITED
    Inventors: Ningjuan Chang, Renmao Liu, Fangying Xiao